package com.example.bookstore.common;

import com.example.bookstore.exception.CustomException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;


@ControllerAdvice(annotations={RestController.class,Controller.class})
@ResponseBody
@Slf4j
public class GlobalExceptionAdvice {
    /**
     * 异常处理
     * @param ex
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());
        if (ex.getMessage().contains("Duplicate entry")){
            String[] splits=ex.getMessage().split(" ");
            String msg = "账号"+ splits[2] + "已存在";
            return Result.error(msg);
        }
        return Result.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public Result<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());

        return Result.error(ex.getMessage());
    }
}
